Fig. 4From: Comparison of the postoperative analgesic effect for infiltration between the popliteal artery and the capsule of the posterior knee and that of periarticular multimodal drug injection in total knee arthroplasty: retrospective study in the immediate postoperative periodComparison of the postoperative resting numerical rating scale between the two groups. *P < 0.05, versus IPACK. IPACK infiltration between the popliteal artery and the capsule of the knee, PMDI periarticular multimodal drug injection, POD postoperative dayBack to article page